On Saturday, December 29, 2018 at 12:17:34 AM UTC, John Clark wrote: > > On Fri, Dec 28, 2018 at 4:53 PM Bruce Kellett <[email protected] > <javascript:>> wrote: > > >> If the creation of the inflaton required conditions that existed when >>> the universe was 10^-44 seconds old and inflation had decayed away when it >>> was 10^-35 seconds old then the particle associated with the inflation >>> field would have decayed away too and we wouldn't expect to see it today >>> even at places where we can reproduce conditions the universe was in when >>> it was 10^-17 seconds old. If it still existed it would still be strongly >>> connected to regular matter but we could not detect it but the universe >>> could and would still be expanding at an exponential rate and galaxies >>> stars and planets would not exist, we couldn't detect it because we >>> wouldn't exist either. >>> >> >> *> Very good reasons for saying that no such field or particle exists, or >> have ever existed.* >> > > Or has ever existed? How do you figure that? > > *> I hope you understand the difference between thermal fluctuations and >> quantum fluctuations....* >> > > The thermal fluctuations that have been actually observed in the Cosmic > Microwave Background Radiation is consistent with them being caused by > random quantum fluctuations. Do you have an explanation for these > variations in temperature that does not involve random quantum > fluctuations? > > > *In GR, energy is not conserved in non-static space-times. * >> > > Yes. >
*Where does the non conserved energy go, specifically the loss of energy represented by the cosmological red shift? AG * > > >> *> But energy is exactly conserved locally.* >> > > True but Irrelevant. Were talking about the most non-local thing we can > observe, the Cosmic Microwave Background Radiation. Before inflation all > parts of the CMB were locally connected and reached thermal equilibrium, > but even so due to quantum variation you could have found slight > differences in temperature if you had a sensitive enough thermometer and > looked at a small enough volume. > *Before inflation the CMB didn't exist. In any event, are you saying the small temperature fluctuations due to quantum effects were *preserved* by inflation, and if it didn't happen those fluctuations would be *larger* than what's observed? AG* But then after everything had expanded faster than light for 10^-35 seconds > and doubled in size 100 times things that were once causally connected no > longer were, that is to say they were no longer local and never would be > again. And then after things had expanded for another 380,000 years at the > far more sedate pace we see today we'd expect those super tiny spots of > slightly higher and lower temperature (2.724K to 2.726 K) would no longer > be super tiny, but none of them would be larger than 380,000 light years > across, > and that's just what we do see. > > John K Clark > > >> -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
